156
ASUS43 KLOT 171012
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 AM CST WED DEC 17 2025
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR S TO VISIBILITY.
* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
REPORT WEATHER SUCH AS PRECIPITATION OR FOG.
ILZ001-002-007-009-015-016-024-171100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 38 31 76 W9 29.90R WCI 31 TC 3
STERLING* CLEAR 36 32 85 W12 29.87S WCI 28 TC 2
SAVANNA* CLEAR 36 31 81 W9 29.89R WCI 29 TC 2
ILZ003-004-008-010-011-017-018-171100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 36 30 79 SW7 29.86R WCI 30 TC 2
FREEPORT* CLEAR 35 31 86 W8 29.87R WCI 28 TC 2
DE KALB* PTCLDY 36 32 87 W10 29.84R WCI 28 TC 2
PERU* PTCLDY 39 32 75 W12 29.87R WCI 32 TC 4
ILZ005-006-012>014-019>023-171100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 38 31 76 W8 29.82R WCI 32 TC 3
CHICAGO-MIDWAY CLOUDY 38 31 76 W6 29.84R WCI 33 TC 3
AURORA PTCLDY 35 32 88 W12 29.84R WCI 27 TC 2
JOLIET* MOCLDY 39 33 80 W5 29.87S TC 4
WAUKEGAN PTCLDY 38 31 76 W7 29.79R WCI 33 TC 3
DUPAGE AIRPORT MOCLDY 37 32 82 W8 29.82R WCI 31 TC 3
WHEELING PTCLDY 39 31 72 W6 29.82R WCI 35 TC 4
MORRIS* MOCLDY 37 34 87 W10 29.86R WCI 30 TC 3
ROMEOVILLE* MOCLDY 37 32 81 W9 29.86R WCI 31 TC 3
LANSING* MOCLDY 37 29 72 SW8 29.84F WCI 31 TC 3
NORTHERLY ISL* N/A 39 31 73 W8 N/A WCI 33 TC 4
LMZ740>746-171100-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
HARRISON CRIB 40 270/ 10/ 12 N/A
NORTHERLY ISL 39 270/ 6/ 12 N/A
CALUMET HARBOR 39 200/ 5/ 8 1008.8
BURNS HARBOR 40 200/ 6/ 11 1010.2F
MICHIGAN CITY 39 220/ 13/ 15 1010.2R
ILZ025>027-034>036-040-047-049-050-058-095>099-171100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 38 33 82 SW7 29.96F WCI 33 TC 3
GALESBURG* PTCLDY 36 35 96 W9 29.92S WCI 29 TC 2
MACOMB* PTCLDY 37 32 85 SW8 29.95S WCI 30 TC 3
JACKSONVILLE* MOCLDY 40 33 74 SW7 29.96S TC 5
ILZ028>032-037-038-041>044-048-051>054-059>061-171100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 37 32 84 SW8 29.88S WCI 30 TC 3
BLOOMINGTON PTCLDY 37 34 89 SW10 29.92R WCI 30 TC 3
DECATUR MOCLDY 39 31 72 W13 29.95R WCI 31 TC 4
PEORIA PTCLDY 37 32 82 SW6 29.91F WCI 32 TC 3
LINCOLN* PTCLDY 39 32 74 CALM 29.94F TC 4
SPRINGFIELD MOCLDY 39 34 82 W9 29.96R WCI 33 TC 4
TAYLORVILLE MOCLDY 39 32 76 SW9 29.97S WCI 32 TC 4
ILZ033-039-045-046-055>057-062-063-171100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 36 29 75 SW16 29.94R WCI 26 TC 2
DANVILLE* PTCLDY 38 29 71 SW12 29.93S WCI 30 TC 3
RANTOUL* MOCLDY 36 31 81 W9 29.94R WCI 29 TC 2
MATTOON MOCLDY 37 26 64 S10 29.95S WCI 30 TC 3
PARIS* MOCLDY 36 28 70 SW12 29.96S WCI 28 TC 2
ILZ079-100>102-171100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 38 27 64 CALM 30.00R TC 3
BELLEVILLE MOCLDY 35 25 67 CALM 30.00R TC 2
CAHOKIA* PTCLDY 44 25 47 SW6 30.00S TC 7
SPARTA* MOCLDY 40 26 56 S8 30.03F TC 4
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 44 27 51 SW10 30.05S TC 7
CAIRO* CLOUDY 47 28 48 SW10 30.09F TC 8
EFFINGHAM* MOCLDY 39 28 62 SW5 30.01R TC 4
MARION MOCLDY 44 24 46 SW8G16 30.06S TC 7
MT. VERNON MOCLDY N/A N/A N/A SW14 30.03S
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* MOCLDY 42 28 56 SW10 30.00S TC 6
METROPOLIS* CLOUDY 48 22 36 CALM 30.09F TC 9
ILZ067-068-072-073-078-083-087-091-171100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOCLDY 39 25 57 SW12 30.01R WCI 32 TC 4
FLORA* MOCLDY 41 27 56 SW12 30.01S TC 5
FAIRFIELD* MOCLDY 42 25 51 SW5 30.03S TC 5
HARRISBURG* MOCLDY 45 22 41 SW9 30.06F TC 7
ROBINSON* CLOUDY 39 28 65 SW15 29.99R WCI 31 TC 4
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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